New Delhi: India’s ethanol blending programme, long celebrated as a major clean-energy success, is now entering a phase of uncertainty as industry stakeholders warn of a potential oversupply crisis. After rapidly scaling production capacity to meet ambitious blending targets, distilleries, sugar mills and policymakers are grappling with a new question — whether the country has already built more ethanol capacity than current demand requires.

Rapid growth driven by policy push

India’s ethanol story has been shaped by aggressive policy support from the Government of India, which advanced its E20 (20% ethanol blending) target from 2030 to 2025-26. The move transformed ethanol from a supplementary fuel component into a central pillar of India’s energy transition strategy.

The results were striking. Ethanol procurement rose from 67.4 crore litres in ethanol supply year (ESY) 2014-15 to 707.4 crore litres in ESY 2023-24, while blending levels increased from 2.33% to nearly 20%. The programme was supported by fixed procurement prices, interest subvention schemes and long-term agreements with oil marketing companies (OMCs).

This expansion was also driven by broader strategic goals. India, which imports nearly 85% of its crude oil, viewed ethanol blending as a way to reduce dependence on global oil markets, stabilise fuel prices and provide a steady income stream for farmers, particularly those cultivating sugarcane.

Capacity expansion outpaces demand

However, the rapid growth has now created a structural imbalance. According to industry estimates, India’s ethanol production capacity could soon reach 24 billion litres, while demand under the current E20 regime stands at approximately 11–12 billion litres annually.

This gap suggests that capacity may be nearly double what is required, raising concerns about underutilisation and financial strain on recently commissioned distilleries. Many sugar mills and grain-based ethanol producers had expanded operations assuming that demand from OMCs would continue to rise steadily.

The emerging reality, however, appears different.

Procurement slowdown raises red flags

Even as blending levels approached the E20 target, ethanol procurement began to slow. In 2024-25, procurement dropped to 391 crore litres up to March, compared to 707.4 crore litres in ESY 2023-24.

Industry analysts attribute this slowdown to multiple factors, including concerns over sugar availability and logistical challenges such as storage constraints. OMCs, which had initially committed to procuring large volumes of ethanol from both sugar-based and grain-based producers, have reportedly adopted a more cautious approach.

This shift has created uncertainty for producers who invested heavily in capacity expansion, expecting sustained demand growth.

Industry eyes higher blending targets

In response to the potential oversupply, the industry is already looking beyond E20. Discussions are underway around higher ethanol blends such as E30, E85 and even E100.

The Bureau of Indian Standards has notified specifications for intermediate blends including E22, E25, E27 and E30, signalling a broader roadmap for ethanol adoption.

Among these, E85 — which contains 85% ethanol — is seen as a more practical next step, particularly with the development of flex-fuel vehicles. Unlike E100, which requires a dedicated engine ecosystem, E85 can be integrated more gradually into the existing automotive landscape.

Challenges in scaling beyond E20

Despite the forward-looking plans, several challenges remain.

One major issue is vehicle compatibility. Many existing vehicles in India are not designed for higher ethanol blends, and upgrading them could cost up to ₹35,000 in some cases. Additionally, ethanol has lower energy density than petrol, which may result in reduced mileage, even if fuel prices remain similar.

India’s rapid transition — moving from E10 to E20 in just a few years — contrasts with countries like Brazil, which developed their ethanol ecosystems gradually over decades. This compressed timeline has led to concerns about infrastructure readiness and consumer adaptation.

Oil dependency paradox persists

Another notable concern is that India’s crude oil import dependence has continued to rise despite increased ethanol blending. From around 83.8% in 2018-19, import dependence has climbed to nearly 89% in 2025-26.

This trend highlights a key challenge — overall fuel consumption in India is growing faster than ethanol substitution. While ethanol blending has delivered significant benefits, including savings of over ₹1.44 lakh crore in foreign exchange and reduction in carbon emissions, it has not yet significantly reduced import dependence.

Environmental considerations

The ethanol push also raises environmental questions, particularly regarding water usage. A significant portion of India’s ethanol is produced from sugarcane, a crop known for its high water consumption.

Estimates suggest that producing one litre of ethanol from sugarcane may require 2,000 to 3,000 litres of water, raising concerns in a country already facing water stress in several regions.

Conclusion

India’s ethanol programme has undoubtedly been a success in terms of scale, speed and policy execution. However, the emerging risk of oversupply signals the need for a more balanced approach going forward.

Aligning production capacity with demand, accelerating the adoption of higher ethanol blends, and addressing environmental and economic challenges will be crucial. As the country moves into the next phase of its energy transition, the focus will shift from rapid expansion to sustainable optimisation — ensuring that the ethanol success story remains viable in the long term.